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ANSI Common Lisp 14 Conses 14.2 Dictionary of Conses
- Syntax:
-
atom
object
generalized-boolean
- Arguments and Values:
-
object - an object.
generalized-boolean - a generalized boolean.
- Description:
-
Returns true if object is of type atom; otherwise, returns false.
- Examples:
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(atom 'sss) true
(atom (cons 1 2)) false
(atom nil) true
(atom '()) true
(atom 3) true
- Notes:
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(atom object) ==(typep object 'atom) ==(not (consp object))
==(not (typep object 'cons)) ==(typep object '(not cons))
- Allegro CL Implementation Details:
-
None.
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